Improved claw-bar



UNITED STATES PATENT OFFICE.

MAXWELL CORNELIUS, OF CINCINNATI, OHIO, ASSIGNOR TO HIMSELF AND 1 R. B.MORE, OF SAME PLACE.

IMPROVED CLAW-BAR.

Specification forming part of Letters Patent No. 44,576, dated October4, 1864.

To all whom, it may concern.-

Be it known that I, MAXWELL CORNELIUS, ot' Cincinnati, in the county ofHamilton and State ot Ohio, have invented a new and useful Improvementin Claw-Bars; and I do hereby declare that the following is a full,clear, and exact description thereof, which will enable others skilledin the art to make and use the same, reference being had to theaccompanying drawings, forming part of this specification, in which-Figure 1 represents a perspective view of my improved claw-bar, showingthe shape of the claws. Fig. 2 is an elevation ofthe same, Showing oneofthe claws.

Similar letters of reference indicate like parts.

A is the shank of the tool, which is enlarged at its bottom or end intothe head B, whose sides are continuations of the sides of the shank A,and whose ends take the form ot' hooks or claws C, thus making thesideview outline ot'the head B to resemble a quadrant, bit'urcated by aslot, a, whose sides are,

parallel with the outer sides of the head, and

which extends up within the head to the used. The size of the headB-that is, the length of the arc which is subtended between the pointsof the claws C--will be determined from the nature of the work to bedone and from the length of the spikes to be drawn, the measure of thedraft ot' the bar being the length of the choid ot this arc. It is clearfrom an inspection of the drawings that the t'ulcrum of the claw, whichhas seized on a spike or other object, is in the periphery of the headB, the fulerulu-point being movable as the point of contact between thehead B and its place of rest changes. Thus the one claw serves in turn,when the bar is brought near to the ground, as the fulcrum for theother.

The advantages ot' this mode of constructing a claw-bar are that doubleclaws are provided in the same implement; that the slot, being throughthe whole length of the head, allows of the expenditure of the entireleverage of the head without resetting the claw, as the spike ispermitted, as it is drawn out, to lie within the slot; that it iscapable of drawing spikes from between rails or from holes` where theordinary claw-bars fail, and that it can be made more easily and at lesscost than those now in use.

I claim as new and ,desire to secure by Letters Patent- The doubleclaw-bar constructed substantially as above setforth and described.

MAXWELL CORNELIUS.

fitnesses THos. FoTHERINeHaI/I, SAML. B. GRIFFITH.

